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The IsoLight platform’s predictive single-cell response enables quality assessments of T cell immunotherapies, as well as improved assessment of clinical response and mechanism of action in patient samples.

More important than simply asking questions is asking the right ones. In contrast to conventional bulk activity readouts that show similar patient activity, the function of single T cells can identify important T cell functional groups, which leads to improved information to ensure improved clinical outcomes. With more than 40 secreted protein targets in its panel, Isoplexis is capable of building a clear metric of polyfunctional strength to differentiate responders from nonresponders and to predict patient response in the clinic[1][2].

These functional T cell groups are uncovered by the powerful IsoCode assay (also known as a single-cell barcode chip (SCBC) in the scientific literature), which provides deep depth of data (i.e., 40 or more secreted functional proteins per cell) for the first time. Over 12,000 microchambers on the chip are used to capture and isolate single cells. ELISA-based antibody barcode array is then used to capture deep functional analysis on ≥40 secreted proteins simultaneously per cell[3].

The IsoSpeak integrated software and informat­ics pipeline enables validated analysis in larger trials, making the processing of complex images and high-dimensional data straightforward. Thus complex T cell data become understandable, and IsoCode helps scientists identify differences in patient responses that can be applied to the most important immunotherapy challenges.

CAR-T and checkpoint inhibitors

Isoplexis has been collaborating with biopharma and trial-center leaders in the field to facilitate the implementation of more effective T cell therapy– based patient detection. With the IsoCode assay, researchers are able to predict complete or partial responses in patients with non-Hodgkin’s lym­phoma, with statistical significance[4]. Furthermore, researchers are able to reveal functional clusters of CAR-T cells and distinct landscapes across donors, guiding more sensitive CAR-T product pre-infusion quality assessments[5]. In addition, data obtained with the IsoCode assay were used to measure the function of tumor-infiltrating lymphocytes in order to predict patient response in subjects receiving anti-PD-1 blocking therapy[6].

Elevate your data with IsoLight

Isoplexis enables researchers to accelerate the fight against cancer by providing a clear and simple approach to understanding the metrics that deter­mine patient outcome. The IsoCode assay can help optimize manufacturing and administration deci­sions geared toward poly-functional potency, and ensure consistency at scale through deeper T cell characterization and specifications.

Later this year, Isoplexis will introduce its IsoLight automated system, which offers a simple, integrated solution for running IsoCode assays in the lab in high-throughput mode. The easy-to-use technology takes less than 10 minutes of hands-on time, has built-in bioinformatics for intuitive data analysis, and can measure up to 36 analytes per single cell. Isoplexis strives to elevate your data and improve the field of immuno-oncology.

IsoPlexis is a life sciences company committed to advancing precision medicine in the fight against cancer, autoimmune and infectious diseases. The IsoPlexis single cell detection platform isolates single immune cells and analyzes their full functional response to assess the effectiveness of therapeutics and to predict patient clinical response. The newly introduced Isolight® Next Generation Single Cell Analysis system is a versatile precision engineering platform designed to understand and characterize differences among single cells, mapping thousands of cells per sample, to reveal full functional profiles and polyfunctionality among cell subsets to determine patient response and product quality.

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